Air conditioner



FIG. 1 is a front perspective view of an air conditioner in accordance with a first embodiment of the present design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front perspective view of an air conditioner in accordance with a second embodiment of the present design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a first side view thereof;

FIG. 12 is a second side view thereof;

FIG. 13 is a top view thereof; and,

FIG. 14 is a bottom view thereof.

The broken lines in the drawings illustrate portions of air conditioner which form no part of the claimed design. 

CLAIM The ornamental design for an air conditioner, as shown and described. 